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Honeywell R4140M User Manual

Honeywell R4140M
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INSTALLATION INSTRUCTIONS
Copyright © 1996 Honeywell Inc. • All Rights Reserved
R4140G,L and M
Flame Safeguard Programming Controls
60-0770-2
IMPORTANT
Applications, Features, Specifications (including
dimension drawings), Operation (including
schematics and bar charts), and Wiring Diagrams
are included in these Specifications for models of
the R4140G, L, and M: R4140G—60-2337;
R4140L—60-2339; R4140M—60-2340.
Contents
Installation ........................................................................... 2
Checkout ............................................................................. 11
Troubleshooting .................................................................. 18
Service Information ............................................................. 27
Testing and Maintenance .................................................... 28
Fig. 2. Components of R4140L Programmers.
RESET BUTTON
RELAY/TIMER
COVER
FLAME SIGNAL
METER JACK
TIMER DIAL
TIMER
RELAY
2K
RELAY
3K
RELAY 1K
RELAY 4K
TIMER
MOTOR
HINGE
BRACKET (2)
CHASSIS
SAFETY SWITCH
BUTTON
CHASSIS RETAINING
SCREW
HANDLE
TIP JACK
PLUG-IN
FLAME SIGNAL
AMPLIFIER
M7959
OPTIONAL HEAVY DUTY
COVER (PART NO.
202050C OR 139695C)
RESET BUTTON
OPTIONAL
202050C
COVER
RELAY/TIMER
COVER
FLAME SIGNAL
METER JACK
TIMER DIAL
TIMER
RELAY
2K
RELAY
1K
TIMER
MOTOR
HINGE
BRACKET (2)
CHASSIS
SAFETY SWITCH
BUTTON
CHASSIS RETAINING
SCREW
HANDLE
TIP JACK
PLUG-IN
FLAME SIGNAL
AMPLIFIER
M10053
Fig. 1. Components of R4140G and R4140M Programmers.

Table of Contents

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Honeywell R4140M Specifications

General IconGeneral
Frequency60 Hz
Voltage120 VAC
Input Voltage120 VAC, 60 Hz
Operating Temperature-40°F to 150°F (-40°C to 65°C)
Housing MaterialPlastic

Summary

INSTALLATION

Wiring to Subbase Requirements

Specifies compliance with electrical codes and recommended wire types for subbase connections.

Installing the Flame Detector

Guides proper installation of flame detectors for safety and reliable operation, including leadwire management.

Static Checkout Procedures

Outlines essential pre-installation tests to verify correct wiring and component functionality.

CHECKOUT

Preliminary Inspection

Details essential initial checks to ensure correct wiring, component placement, and system readiness.

Flame Signal Measurement

Explains how to measure flame signal strength using test equipment and meter jacks for diagnosis.

Initial Lightoff Check for Proved Pilot

Guides on verifying pilot ignition and flame presence before attempting main burner ignition.

Initial Lightoff Check for Direct Spark Ignition

Outlines procedures for checking direct spark ignition in oil burners that do not use a pilot.

Pilot Turndown Test

Describes testing the pilot flame's ability to hold in the flame relay at reduced fuel pressure.

Safety Shutdown Tests

Verifies that the system initiates safety shutdown correctly under various fault conditions.

TROUBLESHOOTING

Flame Relay (2K) Hold-In Check

Tests if the flame relay remains energized after the flame is extinguished, indicating potential issues.

Flame Signal Check Procedure

Details the process of checking the flame signal to diagnose issues with the detection system's components.

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